Top advantage:
Blind-word in the surface, make the elevator switch button very convenient special for blind person.

1)Concave and protruding is of foursquare design

2)Concave part is mirror finished and handled with comfortable sense,

3)Using special fittings, easy for installation

4)Suitable for 2-3mm faceplate

5)Long lifespan and high reliable jiggle switch.

Lift accessories, elevator parts, push button